单项选择题
One of the advantages in the use of a dry liner over a wet liner is（）
A.it is fitted with neoprene O-ring seals
B.the honing process makes it easier to maintain the desired oil film
C.there is likelihood of water leaking into the combustion space
D.it fits more loosely due to a decrease in heat transfer through the composite wall
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One advantage of dry cylinder liners used in a diesel engine is the（）
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Intake air flow from a diesel engine turbocharger is directly proportional to engine（）
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